From: Jérôme Benoit <jerome.benoit@piment-noir.org>
Date: Mon, 20 May 2024 16:06:20 +0000 (+0200)
Subject: fix: fix tasks stealing dynamic worker node handling
X-Git-Url: https://git.piment-noir.org/?a=commitdiff_plain;h=152e87a8c57c8cbd3a3b437106bcc79c30fcc720;p=poolifier.git

fix: fix tasks stealing dynamic worker node handling

Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>
---

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2348d103..257f095b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Ensure tasks stealing dynamic worker node is not destroyed on inactivity.
+
 ## [4.0.9] - 2024-05-19
 
 ### Changed
diff --git a/docs/api.md b/docs/api.md
index 458017a1..28e6aad2 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -153,8 +153,8 @@ An object with these properties:
 `opts` (optional) An object with these properties:
 
 - `killBehavior` (optional) - Dictates if your worker will be deleted in case a task is active on it.  
-  **KillBehaviors.SOFT**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker **won't** be deleted.  
-  **KillBehaviors.HARD**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker will be deleted.  
+  **KillBehaviors.SOFT**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but the worker is stealing tasks or a task is executing or queued, then the worker **won't** be deleted.  
+  **KillBehaviors.HARD**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but the worker is stealing tasks or a task is executing or queued, then the worker will be deleted.  
   This option only apply to the newly created workers.  
   Default: `KillBehaviors.SOFT`
 
diff --git a/src/pools/abstract-pool.ts b/src/pools/abstract-pool.ts
index 649d5f0d..95d3970f 100644
--- a/src/pools/abstract-pool.ts
+++ b/src/pools/abstract-pool.ts
@@ -1597,6 +1597,7 @@ export abstract class AbstractPool<
       const localWorkerNodeKey = this.getWorkerNodeKeyByWorkerId(
         message.workerId
       )
+      const workerInfo = this.getWorkerInfo(localWorkerNodeKey)
       const workerUsage = this.workerNodes[localWorkerNodeKey]?.usage
       // Kill message received from worker
       if (
@@ -1605,6 +1606,8 @@ export abstract class AbstractPool<
           ((this.opts.enableTasksQueue === false &&
             workerUsage.tasks.executing === 0) ||
             (this.opts.enableTasksQueue === true &&
+              workerInfo != null &&
+              !workerInfo.stealing &&
               workerUsage.tasks.executing === 0 &&
               this.tasksQueueSize(localWorkerNodeKey) === 0)))
       ) {
diff --git a/src/worker/worker-options.ts b/src/worker/worker-options.ts
index 7f9c6506..50cf85bb 100644
--- a/src/worker/worker-options.ts
+++ b/src/worker/worker-options.ts
@@ -4,11 +4,11 @@
 export const KillBehaviors: Readonly<{ SOFT: 'SOFT', HARD: 'HARD' }> =
   Object.freeze({
     /**
-     * If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker **wont** be deleted.
+     * If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but the worker is stealing tasks or a task is executing or queued, then the worker **wont** be deleted.
      */
     SOFT: 'SOFT',
     /**
-     * If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker will be deleted.
+     * If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but the worker is stealing tasks or a task is executing or queued, then the worker will be deleted.
      */
     HARD: 'HARD'
   } as const)
@@ -30,8 +30,8 @@ export interface WorkerOptions {
   /**
    * `killBehavior` dictates if your worker will be deleted in case a task is active on it.
    *
-   * - SOFT: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker **won't** be deleted.
-   * - HARD: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker will be deleted.
+   * - SOFT: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but the worker is stealing tasks or a task is executing or queued, then the worker **won't** be deleted.
+   * - HARD: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but the worker is stealing tasks or a task is executing or queued, then the worker will be deleted.
    *
    * This option only apply to the newly created workers.
    *